Periodic solutions of planar Hamiltonian systems with asymmetric nonlinearities
Crossref DOI link: https://doi.org/10.1186/s13661-017-0780-2
Published Online: 2017-04-04
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wang, Zaihong
Ma, Tiantian
Funding for this research was provided by:
National Nature Science Foundation of China (No. 11501381)
License valid from 2017-04-04